/*
 *  Copyright (C) 2011 glauco
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.balisunrise.components.conveters;

import org.balisunrise.common.Converter;
import org.balisunrise.common.ConverterException;

/**
 *
 * @author glauco
 */
public class StringConverter implements Converter<String, String>{

    private boolean nullForEmpty;

    public StringConverter(boolean nullForEmpty) {
        this.nullForEmpty = nullForEmpty;
    }

    @Override
    public String convertForward(String value)
            throws ConverterException {

        if(value == null)
            return new String();

        return value;
    }

    @Override
    public String convertReverse(String value)
            throws ConverterException {

        if(value == null || (nullForEmpty && value.isEmpty()))
            return null;

        return value;
    }

}
